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need a better outcome in javascript please 1

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newtojavascript

newtojavascript

Technical User
Feb 6, 2010
4
GB
Hi

Can anyone help me with this javascript please
as you can see i have given it a far shot but just not getting the end result.
What i am trying to do is to list the outcome each time i click enter in a window like this

Code: 
16,14,4,5
2,10,1,11
8,9,10,9
1,1,1,1
0,0,0,0
Iterations taken: 4


any help would be great as i am getting tired now after a week of trying

thanks
sue
aka (Newtojavascript)
xxx


Code: 
<HTML>
<HEAD>
<TITLE>
Ducci's Game 
</TITLE>

<SCRIPT LANGUAGE = "JavaScript">

//Write your functions here.
difference();
function difference() {
	

//Main program.
//Array which holds the numbers at the four corners of the square.
var numberArray = [16,14,4,5];//Edit this line to change the starting numbers
document.write(numberArray +'<BR>');//Write out array. 


//Write the rest of the main program here.
var numberArray = [16,14,4,5];
var diffArray = new Array(4);
var count = 0;
var numLen = numberArray.length;
for (count = 0; count < numLen; count++) 
{
if ((count + 1) == numLen) 
{
diffArray[count] = numberArray[count] - numberArray[0];
alert("a " +numberArray[count] + " - " + numberArray[0] + " = " + diffArray[count]);
} 
else 
{
diffArray[count] = numberArray[count] - numberArray[count + 1];
alert("b " + numberArray[count] + " - " + numberArray[count + 1] + " = " + diffArray[count]);
}
}
}
</SCRIPT>
</HEAD>
<BODY>
</BODY>
</HTML>

 
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Hi

JavaScript: 
[b]function[/b] [COLOR=darkgoldenrod]difference[/color][teal]([/teal]numberArray[teal])[/teal]
[teal]{[/teal]
  [b]var[/b] numLen[teal]=[/teal]numberArray[teal].[/teal]length
  [b]var[/b] iteration[teal]=[/teal][purple]0[/purple]
  [b]var[/b] diffArray
  [b]var[/b] zero

  document[teal].[/teal][COLOR=darkgoldenrod]writeln[/color][teal]([/teal]numberArray[teal]+[/teal][green][i]'<br>'[/i][/green][teal])[/teal]

  [b]do[/b] [teal]{[/teal]
    diffArray[teal]=[][/teal]
    [b]for[/b] [teal]([/teal][b]var[/b] i[teal]=[/teal][purple]0[/purple][teal];[/teal]i[teal]<[/teal]numLen[teal];[/teal]i[teal]++)[/teal] diffArray[teal].[/teal][COLOR=darkgoldenrod]push[/color][teal]([/teal]Math[teal].[/teal][COLOR=darkgoldenrod]abs[/color][teal]([/teal]numberArray[teal][[/teal]i[teal]]-[/teal]numberArray[teal][([/teal]i[teal]+[/teal][purple]1[/purple][teal])%[/teal]numLen[teal]]))[/teal]
    numberArray[teal]=[/teal]diffArray
    zero[teal]=[/teal][b]true[/b]
    [b]for[/b] [teal]([/teal][b]var[/b] i[teal]=[/teal][purple]0[/purple][teal];[/teal]i[teal]<[/teal]numLen[teal];[/teal]i[teal]++)[/teal] [b]if[/b] [teal]([/teal]numberArray[teal][[/teal]i[teal]])[/teal] zero[teal]=[/teal][b]false[/b]
    document[teal].[/teal][COLOR=darkgoldenrod]writeln[/color][teal]([/teal]numberArray[teal]+[/teal][green][i]'<br>'[/i][/green][teal])[/teal]
    iteration[teal]++[/teal]
  [teal]}[/teal] [b]while[/b] [teal](![/teal]zero[teal])[/teal]

  document[teal].[/teal][COLOR=darkgoldenrod]writeln[/color][teal]([/teal][green][i]'Iterations taken : '[/i][/green][teal]+[/teal]iteration[teal]+[/teal][green][i]'<br>'[/i][/green][teal])[/teal]
[teal]}[/teal]

[COLOR=darkgoldenrod]difference[/color][teal]([[/teal][purple]16[/purple][teal],[/teal][purple]14[/purple][teal],[/teal][purple]4[/purple][teal],[/teal][purple]5[/purple][teal]])[/teal]

Feherke.
 
Upvote 0 Downvote
hi thanks for that feherke ;)

ok only problem i am having now is that it says

Code: 
syntax error
Line: 21
Source Code:
var numberArray = [16,14,4,5]; //Edit this line to change the starting numbers
Apart from this one issue the program runs sweet as a nut.
thanks for your help feherke

regards
Sue
 
Upvote 0 Downvote
Hi

For the solution I posted no other JavaScript code is needed. The starting numbers are passed as parameters to the difference() function. So the line with error you quoted is not necessary.

Feherke.
 
Upvote 0 Downvote
DUH !!!!!

silly me
now i am embarrassed hahaha

thanks again for your help on this matter

problem well and truly sorted thanks

sue
 
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